Src/Win32/Widgets/Canvas.h

   1 // Canvas.h
   2 //
   3 /////////////////////////////////////////////////////////////////////////////
   4 //
   5 // Copyright (c) 2002 Iain Murray, Inference Group, Cavendish, Cambridge.
   6 //
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #ifndef __Canvas_h__
  10 #define __Canvas_h__
  11
  12 #include "../TabletPC/CursorInRange.h"
  13 #include "../../DasherCore/DasherComponent.h"
  14 #include "../../DasherCore/DasherTypes.h"
  15 #include "../KeyboardHelper.h"
  16
  17 namespace Dasher {
  18         class CDasherMouseInput;
  19         class CSocketInput;
  20   class CDasher;
  21   class CDasherInterfaceBase;
  22 }
  23
  24 class CEdit;
  25 class CScreen;
  26
  27 class CCanvas:
  28         public ATL::CWindowImpl<CCanvas>,
  29         public Dasher::CDasherComponent
  30 {
  31 public:
  32
  33         static ATL::CWndClassInfo& GetWndClassInfo()
  34         {
  35                 static ATL::CWndClassInfo wc = \
  36                 { \
  37                         { sizeof(WNDCLASSEX), CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS, StartWindowProc, \
  38                           0, 0, NULL, NULL, NULL, NULL, NULL, _T("CANVAS"), NULL }, \
  39                         NULL, NULL, MAKEINTRESOURCE(IDC_CROSS), TRUE, 0, _T("") \
  40                 }; \
  41         return wc;
  42         }
  43
  44         BEGIN_MSG_MAP( CCanvas )
  45             MESSAGE_HANDLER(WM_PAINT, OnPaint)
  46             MESSAGE_HANDLER(WM_CREATE, OnCreate)
  47             MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
  48             MESSAGE_HANDLER(WM_TIMER, OnTimer)
  49             MESSAGE_HANDLER(WM_COMMAND, OnCommand)
  50             MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
  51             MESSAGE_HANDLER(WM_KEYUP, OnKeyUp)
  52             MESSAGE_HANDLER(WM_KEYDOWN, OnKeyDown)
  53             MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnLButtonDblClk)
  54             MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
  55             MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
  56             MESSAGE_HANDLER(WM_CURSOR_IN_RANGE, OnCursorInRange)
  57             MESSAGE_HANDLER(WM_CURSOR_OUT_OF_RANGE, OnCursorOutOfRange)
  58             MESSAGE_HANDLER(WM_RBUTTONDOWN, OnRButtonDown)
  59             MESSAGE_HANDLER(WM_RBUTTONUP, OnRButtonUp)
  60             MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
  61             MESSAGE_HANDLER(WM_SIZE, OnSize)
  62
  63         END_MSG_MAP()
  64
  65   CCanvas(Dasher::CDasher *DI, Dasher::CEventHandler *pEventHandler, CSettingsStore *pSettingsStore);
  66         ~CCanvas();
  67
  68         HWND Create(HWND hParent);
  69
  70         void DoFrame();
  71
  72         LRESULT OnSize(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  73         LRESULT OnMouseMove(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  74         LRESULT OnRButtonUp(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  75         LRESULT OnRButtonDown(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  76         LRESULT OnCursorInRange(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  77         LRESULT OnCursorOutOfRange(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  78         LRESULT OnLButtonDblClk(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  79         LRESULT OnLButtonDown(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  80         LRESULT OnLButtonUp(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  81         LRESULT OnPaint(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  82         LRESULT OnCreate(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  83         LRESULT OnDestroy(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  84         LRESULT OnTimer(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  85         LRESULT OnCommand(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  86         LRESULT OnSetFocus(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  87         LRESULT OnKeyUp(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  88         LRESULT OnKeyDown(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
  89
  90         void Move(int x, int y, int Width, int Height);
  91         void Paint();
  92
  93
  94
  95   HWND getwindow() {
  96     return m_hWnd;
  97   }
  98   void StartOnLeftClick(bool Value) {
  99     startonleft = Value;
 100   }
 101
 102
 103   void MousePosStart(bool Value);
 104   void setkeycoords(int coords[18]) {
 105     for(int i = 0; i < 18; i++) {
 106       keycoords[i] = coords[i];
 107     };
 108   }
 109   int *getkeycoords() {
 110     return keycoords;
 111   }
 112
 113   void setforward(bool value) {
 114     forward = value;
 115   }
 116   void setbackward(bool value) {
 117     backward = value;
 118   }
 119   void setselect(bool value) {
 120     select = value;
 121   }
 122   bool getforward() {
 123     return forward;
 124   }
 125   bool getbackward() {
 126     return backward;
 127   }
 128   bool getselect() {
 129     return select;
 130   }
 131
 132   void centrecursor();
 133   void StartStop();
 134
 135   void Pause() {
 136     running = 0;
 137   }
 138   bool Running() {
 139     return running;
 140   }
 141   void SetScreenInterface(Dasher::CDasherInterfaceBase * dasherinterface);
 142
 143   int OnTimer();
 144
 145   bool GetCanvasSize(int& pTop, int& pLeft, int& pBottom, int& pRight);
 146
 147   void HandleEvent(Dasher::CEvent *pEvent);
 148
 149 private:
 150
 151   HDC m_hdc;
 152   int keycoords[18], buttonnum, yscaling;
 153   bool forward, backward, select;
 154   CScreen *m_pScreen;
 155   Dasher::CDasher * m_pDasherInterface;
 156
 157   // Input devices:
 158
 159   //Dasher::CDasherMouseInput * m_pMouseInput;
 160   //Dasher::CSocketInput * m_pSocketInput;
 161
 162   Dasher::screenint imousex, imousey;
 163   UINT MY_TIMER;
 164   bool startonleft;
 165   bool direction;
 166   bool running;
 167   bool firstwindow;
 168   bool secondwindow;
 169   bool lbuttonheld;
 170   bool inturbo;
 171   bool enabletime;
 172   DWORD startturbo;
 173   DWORD endturbo;
 174   DWORD lastlbutton;
 175   DWORD mousepostime;
 176   DWORD previoustime;
 177   RECT coords;
 178
 179   // Indicates that a button is depressed, so we dont stop on idle
 180   bool m_bButtonDown;
 181   // Ticks as last event, for stop on idle
 182   DWORD m_dwTicksLastEvent;
 183
 184   // Enables tablet pc events
 185   CCursorInRange m_CursorInRange;
 186
 187   CKeyboardHelper *m_pKeyboardHelper;
 188
 189 };
 190
 191 #endif /* #ifndef __Canvas_h__ */